Freudian siblings.
D000293:Adolescent; D001317:Austria; D002648:Child; D002675:Child, Preschool; D005197:Famous Persons; D005260:Female; D005619:Freudian Theory; D049673:History, 20th Century; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D009769:Object Attachment; D011572:Psychoanalysis / Q000266:history; D011574:Psychoanalytic Theory; D012801:Sibling Relations